support upload file

Author: XieBiao

examples/olddriver.gif

@@ -0,0 +1,26 @@
+<?php
+require '../vendor/autoload.php';
+
+use Hhxsv5\PhpMultiCurl\Curl;
+
+$postUrl = 'http://localhost/upload.php';//<?php var_dump($_FILES);
+
+$options = [//The custom the curl options
+    CURLOPT_TIMEOUT        => 10,
+    CURLOPT_CONNECTTIMEOUT => 5,
+    CURLOPT_USERAGENT      => 'Multi-Curl Client V1.0',
+];
+$c1 = new Curl($options);
+
+$file1 = new CURLFile('./olddriver.gif', 'image/gif', 'name1');
+$params = ['file1' => $file1];
+$c1->makePost($postUrl, $params);
+$ret = $c1->exec();
+var_dump($ret);
+if ($ret) {
+    //Success
+    var_dump($c1->getResponse());
+} else {
+    //Fail
+    var_dump($c1->getError());
+}